Offshore Forecast
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FZPN25 KWBC 181006
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
206 AM PST Thu Jan 18 2018

Washington and Oregon waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ898-182230-
206 AM PST Thu Jan 18 2018

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...Intense low pressure
centered 180 NM NW of the waters will continue to track NE today
and tonight, then stall and weaken N of the waters Fri and Fri
night. A low pressure trough will move E across the area tonight
into Fri night. A strong cold front will approach from the west
Sat and then pass E and SE across the waters Sat night into Sun.
Another low will pass just just NW of the waters Sat night into
Sun then lift NW away from the waters Sun night. A high pressure
ridge will build NE over the waters Mon and Mon night.

$$

PZZ800-182230-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...S to SW winds 35 to 45 kt. Seas 30 to 39 ft. Scattered
showers and TSTMs.
.TONIGHT...S to SW winds 30 to 40 kt. Seas subsiding to 22 to 30 ft.
Scattered showers and TSTMs.
.FRI...SW winds diminishing to 20 to 30 kt, then becoming W. Seas
subsiding to 18 to 21 ft. Scattered showers.
.FRI NIGHT...W winds 20 to 30 kt. Seas 17 to 21 ft. Scattered
showers.
.SAT...W to SW winds diminishing to 10 to 20 kt, then becoming S to
SW 15 to 25 kt. Seas subsiding to 12 to 16 ft.
.SAT NIGHT...S winds increasing to 35 to 45 kt. Seas 11 to 18 ft.
.SUN...Winds diminishing to W to SW 15 to 25 kt. Seas becoming 16 to
19 ft.
.SUN NIGHT...W winds 15 to 25 kt. Seas subsiding to 15 to 17 ft.
.MON...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
subsiding to 13 to 15 ft.
.MON NIGHT...W to SW winds 5 to 10 kt, becoming S 5 to 15 kt. Seas
becoming 11 to 14 ft.

$$

PZZ900-182230-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
206 AM PST Thu Jan 18 2018

...STORM WARNING...

.TODAY...S to SW winds 35 to 50 kt. Seas 28 to 43 ft. Scattered
showers and TSTMs.
.TONIGHT...W to SW winds 35 to 45 kt. Seas subsiding to 22 to 30 ft.
Scattered showers and TSTMs.
.FRI...W winds 35 to 45 kt. Seas subsiding to 19 to 24 ft. Chance of
rain.
.FRI NIGHT...W winds becoming 25 to 35 kt, then diminishing to 15 to
25 kt. Seas subsiding to 15 to 22 ft. Scattered showers.
.SAT...W to SW winds 15 to 25 kt, becoming S 25 to 35 kt. Seas
subsiding to 12 to 16 ft.
.SAT NIGHT...S to SW winds increasing to 35 to 45 kt. Seas 12 to 18
ft.
.SUN...SW winds diminishing to 20 to 30 kt, then becoming W. Seas
becoming 17 to 18 ft.
.SUN NIGHT...W winds 20 to 30 kt. Seas becoming 15 to 17 ft.
.MON...W winds diminishing to 10 to 20 kt, then becoming 10 to 15
kt. Seas 14 to 16 ft.
.MON NIGHT...W to SW winds 5 to 15 kt, becoming S 15 to 25 kt. Seas
subsiding to 11 to 14 ft.

$$

PZZ805-182230-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...SW winds 35 to 45 kt. Seas 28 to 38 ft. Isolated showers
and TSTMs.
.TONIGHT...SW winds becoming 25 to 35 kt, then diminishing to 20 to
25 kt. Seas subsiding to 20 to 28 ft. Scattered showers and TSTMs.
.FRI...SW winds 20 to 25 kt, becoming W 20 to 30 kt. Seas subsiding
to 17 to 20 ft. Scattered showers.
.FRI NIGHT...W winds 20 to 30 kt. Seas 17 to 20 ft. Scattered
showers.
.SAT...W winds diminishing to 10 to 15 kt, then becoming SW 15 to 25
kt. Seas subsiding to 12 to 16 ft.
.SAT NIGHT...S winds 20 to 30 kt, increasing to 35 to 45 kt. Seas 12
to 18 ft.
.SUN...S to SW winds 30 to 40 kt, becoming W 15 to 25 kt. Seas
building to 17 to 20 ft.
.SUN NIGHT...W winds 15 to 25 kt. Seas subsiding to 15 to 17 ft.
.MON...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas subsiding to
13 to 15 ft.
.MON NIGHT...W winds diminishing to less than 10 kt, then becoming
S. Seas subsiding to 11 to 13 ft.

$$

PZZ905-182230-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
206 AM PST Thu Jan 18 2018

...STORM WARNING...

.TODAY...SW winds 40 to 50 kt, diminishing to 35 to 45 kt. Seas 33
to 43 ft, subsiding to 27 to 34 ft. Scattered showers and TSTMs.
.TONIGHT...W to SW winds 30 to 40 kt. Seas subsiding to 20 to 28 ft.
Scattered showers and TSTMs.
.FRI...W winds 25 to 35 kt. Seas subsiding to 18 to 23 ft. Scattered
showers.
.FRI NIGHT...W to NW winds 20 to 30 kt. Seas becoming 15 to 22 ft.
Scattered showers.
.SAT...W winds 15 to 25 kt, becoming S to SW 20 to 30 kt. Seas
subsiding to 12 to 16 ft.
.SAT NIGHT...S to SW winds increasing to 35 to 45 kt. Seas 12 to 18
ft.
.SUN...W to SW winds diminishing to 20 to 30 kt. Seas becoming 17 to
18 ft.
.SUN NIGHT...W winds 20 to 30 kt, diminishing to 15 to 20 kt. Seas
15 to 18 ft.
.MON...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
subsiding to 13 to 16 ft.
.MON NIGHT...SW winds 5 to 10 kt, becoming S 15 to 25 kt. Seas
subsiding to 11 to 13 ft.

$$

PZZ810-182230-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...SW winds 30 to 40 kt. Seas 26 to 34 ft. Scattered showers.
.TONIGHT...W to SW winds diminishing to 20 to 30 kt. Seas subsiding
to 20 to 25 ft. Rain.
.FRI...W winds 15 to 25 kt. Seas subsiding to 17 to 19 ft. Scattered
showers.
.FRI NIGHT...W to NW winds 20 to 30 kt. Seas 17 to 19 ft. Scattered
showers.
.SAT...W to NW winds diminishing to 10 to 15 kt, then becoming SW 10
to 20 kt. Seas subsiding to 12 to 16 ft.
.SAT NIGHT...S to SW winds increasing to 20 to 30 kt, then becoming
S 35 to 45 kt. Seas 11 to 17 ft.
.SUN...S to SW winds 30 to 40 kt, becoming W 15 to 25 kt. Seas
building to 17 to 19 ft.
.SUN NIGHT...W winds 15 to 25 kt. Seas subsiding to 15 to 17 ft.
.MON...W winds becoming 10 to 15 kt, then diminishing to 5 to 10 kt.
Seas subsiding to 13 to 15 ft.
.MON NIGHT...Variable winds less than 5 kt, becoming S 5 to 15 kt.
Seas subsiding to 11 to 13 ft.

$$

PZZ910-182230-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...SW winds 35 to 45 kt. Seas 31 to 40 ft, subsiding to 25 to
31 ft. Scattered showers and TSTMs.
.TONIGHT...W to SW winds diminishing to 20 to 30 kt. Seas subsiding
to 20 to 25 ft. Scattered showers and TSTMs.
.FRI...W winds 20 to 30 kt, becoming NW. Seas subsiding to 18 to 22
ft. Scattered showers.
.FRI NIGHT...W to NW winds 20 to 30 kt. Seas becoming 16 to 21 ft.
Scattered showers.
.SAT...W winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas subsiding
to 12 to 16 ft.
.SAT NIGHT...S winds increasing to 30 to 40 kt. Seas becoming 12 to
19 ft.
.SUN...Winds diminishing to W 10 to 20 kt, then increasing to 20 to
30 kt. Seas becoming 17 to 19 ft.
.SUN NIGHT...W winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
becoming 15 to 18 ft.
.MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
subsiding to 13 to 15 ft.
.MON NIGHT...S to SW winds less than 10 kt, becoming S 10 to 20 kt.
Seas subsiding to 10 to 13 ft.

$$

PZZ815-182230-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...SW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 23
to 32 ft. Scattered showers.
.TONIGHT...SW winds 20 to 30 kt, becoming W 15 to 20 kt. Seas
subsiding to 18 to 24 ft. Scattered showers and isolated TSTMs.
.FRI...W winds 20 to 25 kt. Seas subsiding to 16 to 19 ft. Isolated
showers and TSTMs.
.FRI NIGHT...W to NW winds 20 to 30 kt. Seas 16 to 19 ft.
.SAT...NW winds diminishing to 10 to 20 kt, then becoming W to SW.
Seas subsiding to 13 to 16 ft.
.SAT NIGHT...S to SW winds increasing to 20 to 30 kt, then becoming
S 35 to 45 kt. Seas becoming 10 to 16 ft.
.SUN...S to SW winds 30 to 40 kt, becoming W to SW 25 to 35 kt. Seas
building to 12 to 19 ft.
.SUN NIGHT...W to NW winds diminishing to 15 to 25 kt. Seas 14 to 18
ft.
.MON...W to NW winds becoming 5 to 15 kt, then diminishing to less
than 10 kt. Seas subsiding to 12 to 15 ft.
.MON NIGHT...Variable winds diminishing to less than 5 kt, then
becoming S to SE 5 to 15 kt. Seas subsiding to 10 to 12 ft.

$$

PZZ915-182230-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
206 AM PST Thu Jan 18 2018

...GALE WARNING...

.TODAY...SW winds 35 to 45 kt. Seas 22 to 37 ft. Scattered showers
and isolated TSTMs.
.TONIGHT...W to SW winds diminishing to 20 to 30 kt. Seas subsiding
to 18 to 24 ft. Scattered showers and TSTMs.
.FRI...W winds 20 to 30 kt, becoming NW. Seas subsiding to 17 to 21
ft. Scattered showers.
.FRI NIGHT...NW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 16
to 20 ft.
.SAT...W winds 15 to 25 kt, becoming SW. Seas subsiding to 12 to 16
ft.
.SAT NIGHT...S to SW winds increasing to 25 to 35 kt. Seas 11 to 19
ft.
.SUN...SW winds 20 to 30 kt, becoming W 20 to 25 kt. Seas becoming
15 to 20 ft.
.SUN NIGHT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas
subsiding to 14 to 17 ft.
.MON...W to NW winds 5 to 15 kt, diminishing to less than 10 kt.
Seas subsiding to 12 to 15 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming S 15 to 25 kt.
Seas subsiding to 10 to 12 ft.

$$

.Forecaster Musonda. Ocean Prediction Center.


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